Walter Scott Dillard

Person

Houston, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Managed pressure drilling control system with continuously variable...
- Patent number 11,988,064
- Issue date May 21, 2024
- Weatherford Technology Holdings, LLC
- Paul R. Northam
- E21 - EARTH DRILLING MINING
Information Patent Grant
Flow measurement apparatus and associated systems and methods
- Patent number 11,702,896
- Issue date Jul 18, 2023
- Weatherford Technology Holdings, LLC
- Paul R. Northam
- E21 - EARTH DRILLING MINING
Information Patent Grant
Managed pressure control system with variable built-in accuracy
- Patent number 11,131,156
- Issue date Sep 28, 2021
- Weatherford Technology Holdings, LLC
- Walter S. Dillard
- E21 - EARTH DRILLING MINING
Information Patent Grant
Differential flow measurement with Coriolis flowmeter
- Patent number 10,598,527
- Issue date Mar 24, 2020
- Weatherford Technology Holdings, LLC
- Walter S. Dillard
- G01 - MEASURING TESTING
Information Patent Grant
Drilling system and method having flow measurement choke
- Patent number 10,227,838
- Issue date Mar 12, 2019
- Weatherford Technology Holdings, LLC
- Walter S. Dillard
- E21 - EARTH DRILLING MINING
Information Patent Grant
Control of multiple hydraulic chokes in managed pressure drilling
- Patent number 10,174,571
- Issue date Jan 8, 2019
- Weatherford Technology Holdings, LLC
- Walter S. Dillard
- E21 - EARTH DRILLING MINING
Information Patent Grant
Control of hydraulic power flowrate for managed pressure drilling
- Patent number 10,107,052
- Issue date Oct 23, 2018
- Weatherford Technology Holdings, LLC
- Paul R. Northam
- E21 - EARTH DRILLING MINING
Information Patent Grant
Controlled pressure drilling system with flow measurement and well...
- Patent number 10,094,186
- Issue date Oct 9, 2018
- Weatherford Technology Holdings, LLC
- Walter S. Dillard
- E21 - EARTH DRILLING MINING
Information Patent Grant
Coriolis flow meter having flow tube with equalized pressure differ...
- Patent number 10,094,185
- Issue date Oct 9, 2018
- Weatherford Technology Holdings, LLC
- Walter S. Dillard
- E21 - EARTH DRILLING MINING
Information Patent Grant
Annular isolation device for managed pressure drilling
- Patent number 10,012,044
- Issue date Jul 3, 2018
- Weatherford Technology Holdings, LLC
- John Vinh Leba
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
FLOW MEASUREMENT APPARATUS AND ASSOCIATED SYSTEMS AND METHODS
- Publication number 20220282586
- Publication date Sep 8, 2022
- Weatherford Technology Holdings, LLC.
- Paul R. Northam
- E21 - EARTH DRILLING MINING
Information Patent Application
MANAGED PRESSURE DRILLING CONTROL SYSTEM WITH CONTINUOUSLY VARIABLE...
- Publication number 20220003072
- Publication date Jan 6, 2022
- Weatherford Technology Holdings, LLC.
- Paul R. Northam
- E21 - EARTH DRILLING MINING
Information Patent Application
Differential Flow Measurement with Coriolis Flowmeter
- Publication number 20190234776
- Publication date Aug 1, 2019
- Weatherford Technology Holdings, LLC.
- Walter S. Dillard
- G01 - MEASURING TESTING
Information Patent Application
Managed Pressure Control System with Variable Built-in Accuracy
- Publication number 20180163489
- Publication date Jun 14, 2018
- Weatherford Technology Holdings, LLC.
- Walter S. Dillard
- E21 - EARTH DRILLING MINING
Information Patent Application
Drilling System and Method Having Flow Measurement Choke
- Publication number 20170328151
- Publication date Nov 16, 2017
- Weatherford Technology Holdings, LLC.
- Walter S. Dillard
- E21 - EARTH DRILLING MINING
Information Patent Application
Control of Hydraulic Power Flowrate for Managed Pressure Drilling
- Publication number 20170226813
- Publication date Aug 10, 2017
- Weatherford Technology Holdings, LLC.
- Paul R. Northam
- E21 - EARTH DRILLING MINING
Information Patent Application
Control of Multiple Hydraulic Chokes in Managed Pressure Drilling
- Publication number 20160194927
- Publication date Jul 7, 2016
- Weatherford Technology Holdings, LLC.
- Walter S. Dillard
- E21 - EARTH DRILLING MINING
Information Patent Application
Controlled Pressure Drilling System with Flow Measurement and Well...
- Publication number 20160138351
- Publication date May 19, 2016
- Weatherford Technology Holdings, LLC.
- Walter S. Dillard
- E21 - EARTH DRILLING MINING
Information Patent Application
ANNULAR ISOLATION DEVICE FOR MANAGED PRESSURE DRILLING
- Publication number 20160138352
- Publication date May 19, 2016
- WEATHERFORD TECHNOLOGY HOLDING, LLC
- John Vinh LEBA
- E21 - EARTH DRILLING MINING
Information Patent Application
Coriolis Flow Meter Having Flow Tube with Equalized Pressure Differ...
- Publication number 20160084024
- Publication date Mar 24, 2016
- Weatherford Technology Holdings, LLC.
- Walter S. Dillard
- G01 - MEASURING TESTING
Information Patent Application
ROLLER CONE DRILL BIT THAT INCLUDES COMPONENTS WITH PLANAR REFERENC...
- Publication number 20080006447
- Publication date Jan 10, 2008
- Walter Scott Dillard
- E21 - EARTH DRILLING MINING

Walter Scott Dillard

Person

Patents Grantslast 30 patents

Managed pressure drilling control system with continuously variable...

Flow measurement apparatus and associated systems and methods

Managed pressure control system with variable built-in accuracy

Differential flow measurement with Coriolis flowmeter

Drilling system and method having flow measurement choke

Control of multiple hydraulic chokes in managed pressure drilling

Control of hydraulic power flowrate for managed pressure drilling

Controlled pressure drilling system with flow measurement and well...

Coriolis flow meter having flow tube with equalized pressure differ...

Annular isolation device for managed pressure drilling

Patents Applicationslast 30 patents

FLOW MEASUREMENT APPARATUS AND ASSOCIATED SYSTEMS AND METHODS

MANAGED PRESSURE DRILLING CONTROL SYSTEM WITH CONTINUOUSLY VARIABLE...

Differential Flow Measurement with Coriolis Flowmeter

Managed Pressure Control System with Variable Built-in Accuracy

Drilling System and Method Having Flow Measurement Choke

Control of Hydraulic Power Flowrate for Managed Pressure Drilling

Control of Multiple Hydraulic Chokes in Managed Pressure Drilling

Controlled Pressure Drilling System with Flow Measurement and Well...

ANNULAR ISOLATION DEVICE FOR MANAGED PRESSURE DRILLING

Coriolis Flow Meter Having Flow Tube with Equalized Pressure Differ...

ROLLER CONE DRILL BIT THAT INCLUDES COMPONENTS WITH PLANAR REFERENC...